Finding the Fourth Proportional to 97,315.10, 134,295.81 and 57,052.70
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Solution
The fourth proportional to 97,315.10, 134,295.81 and 57,052.70 is: 78,733.30
Step by Step Solution
- Step 1: Write the proportion equation
97,315.10 : 134,295.81 = 57,052.70 : x - Step 2: Convert to fraction form
97,315.10/134,295.81 = 57,052.70/x - Step 3: Cross multiply
97,315.10x = 134,295.81 × 57,052.70 - Step 4: Simplify right side
97,315.10x = 7,661,938,559.19 - Step 5: Solve for x
x = 7,661,938,559.19/97,315.10 - Step 6: Final answer
x = 78,733.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.